32313440232 has 144 divisors (see below), whose sum is σ = 91759389540. Its totient is φ = 10272075264.

The previous prime is 32313440213. The next prime is 32313440261. The reversal of 32313440232 is 23204431323.

It can be written as a sum of positive squares in 2 ways, for example, as 31055603076 + 1257837156 = 176226^2 + 35466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32313440196 and 32313440205.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15119868 + ... + 15122004.

Almost surely, 2^32313440232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32313440232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45879694770).

32313440232 is an abundant number, since it is smaller than the sum of its proper divisors (59445949308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32313440232 is a wasteful number, since it uses less digits than its factorization.

32313440232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 32313440232 its reverse (23204431323), we get a palindrome (55517871555).

The spelling of 32313440232 in words is "thirty-two billion, three hundred thirteen million, four hundred forty thousand, two hundred thirty-two".